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Linux+ – LX0-102 – Exam 2 Samples – Question 57

In the following command and its output, echo $$ 12942 which of the following is 12942?

A. The process ID of the echo command.
B. The process ID of the current shell.
C. The process ID of the last command executed.
D. The process ID of the last backgrounded command.

Correct Answer: B

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